shipapis
StarSubmit an APISubmit API

Affirmations.dev vs Zen Quotes

Same instrument, two spec sheets — measured, not claimed.

APIAffirmations.devNEW—Zen QuotesNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key
Rate limitUnpublishedRate-limited on the free tier (see zenquotes.io)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Affirmations.dev vs Zen Quotes: common questions

Which is more reliable, Affirmations.dev or Zen Quotes?

On our scheduled checks, Zen Quotes leads on measured uptime — Affirmations.dev at —% versus Zen Quotes at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Affirmations.dev and Zen Quotes need an API key?

Neither needs a paid key — Affirmations.dev is callable with no signup, and Zen Quotes is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Affirmations.dev and Zen Quotes from the browser?

Neither sends browser-friendly CORS headers reliably, so call Affirmations.dev and Zen Quotes from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Affirmations.dev and Zen Quotes free for commercial use?

Affirmations.dev has unclear commercial terms, and Zen Quotes has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.